Threatened Abortion Quiz

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Seiji Kanazawa, MD, PHD (Obstetrics and gynecology (OBGYN))

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Learn more about Threatened abortion

Content updated on Nov 2, 2022

What is threatened abortion?

This is a condition that presents with vaginal bleeding that occurs in the first 20 weeks of pregnancy. There is a risk of developing into a miscarriage. There are many known and unknown causes of this.

Symptoms of threatened abortion

  • Currently pregnant

  • Bleeding in between menstrual cycles / periods or after menopause

Questions your doctor may ask to check for threatened abortion

Your doctor may ask these questions to diagnose threatened abortion

  • Are you currently pregnant?

  • Have you had vaginal bleeding, brown or pink colored vaginal discharge outside of your periods? Or, after the menopause?

Treatment for threatened abortion

This usually requires a specialist to confirm the diagnosis. Bed rest and medication may reduce the risk of miscarriage.

View the symptoms of Threatened abortion


  • Lee HJ, Park TC, Kim JH, Norwitz E, Lee B. The Influence of Oral Dydrogesterone and Vaginal Progesterone on Threatened Abortion: A Systematic Review and Meta-Analysis. Biomed Res Int. 2017;2017:3616875. doi: 10.1155/2017/3616875. Epub 2017 Dec 17. PMID: 29392134; PMCID: PMC5748117.

  • Zhou J, Huang Z, Pan X, Leung WT, Li C, Chen L, Zhang Y, Wang L, Sima Y, Zhang N, Qiu X, Li L, Wang L. New thoughts in exploring the pathogenesis, diagnosis, and treatment of threatened abortion. Biosci Trends. 2019;13(3):284-285. doi: 10.5582/bst.2019.01155. PMID: 31327799.

  • Kanmaz AG, İnan AH, Beyan E, Budak A. The effects of threatened abortions on pregnancy outcomes. Ginekol Pol. 2019;90(4):195-200. doi: 10.5603/GP.a2019.0035. Epub 2019 Mar 22. PMID: 30901073.

Reviewed By:

Seiji Kanazawa

Seiji Kanazawa, MD, PHD (Obstetrics and gynecology (OBGYN))

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

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